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Hindawi, Current Gerontology and Geriatrics Research, (2011), p. 1-8, 2011

DOI: 10.1155/2011/979270

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Potential Explanatory Factors for Higher Incident Hip Fracture Risk in Older Diabetic Adults

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Type 2 diabetes is associated with higher fracture risk. Diabetes-related conditions may account for this risk. Cardiovascular Health Study participants (N = 5641; 42.0% men; 15.5% black; 72.8±5.6 years) were followed 10.9 ± 4.6 years. Diabetes was defined as hypoglycemic medication use or fasting glucose (FG) ≥126 mg/dL. Peripheral artery disease (PAD) was defined as ankle-arm index <0.9. Incident hip fractures were from medical records. Crude hip fracture rates (/1000 person-years) were higher for diabetic vs. non-diabetic participants with BMI <25 (13.6, 95% CI: 8.9-20.2 versus 11.4, 95% CI: 10.1-12.9) and BMI ≥25 to <30 (8.3, 95% CI: 5.7-11.9 versus 6.6, 95% CI: 5.6-7.7), but similar for BMI ≥30. Adjusting for BMI, sex, race, and age, diabetes was related to fractures (HR = 1.34; 95% CI: 1.01-1.78). PAD (HR = 1.25 (95% CI: 0.92-1.57)) and longer walk time (HR = 1.07 (95% CI: 1.04-1.10)) modified the fracture risk in diabetes (HR = 1.17 (95% CI: 0.87-1.57)). Diabetes was associated with higher hip fracture risk after adjusting for BMI though this association was modified by diabetes-related conditions.